Valmiki Ramayana 5.3.28
अहम् राक्षसराजस्य रावणस्य महात्मनः ।आज्ञाप्रतीक्षा दुर्धर्षा रक्षामि नगरीमिमाम्॥
aham rākṣasarājasya rāvaṇasya mahātmanaḥ |ājñāpratīkṣā durdharṣā rakṣāmi nagarīmimām ||
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book